From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 25 Nov 2014 10:28:07 +0000 (+0100)
Subject: ALSA: hda - Add AZX_DCAPS_SNOOP_OFF (and refactor snoop setup)
X-Git-Tag: omap-for-v3.19/fixes-rc1~126^2~21^2~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=37e661ee10c6d0d1310c62b3d29ae9a63073ac5d;p=pandora-kernel.git

ALSA: hda - Add AZX_DCAPS_SNOOP_OFF (and refactor snoop setup)

Add a new driver_caps bit, AZX_DCAPS_SNOOP_OFF, to set the snoop off
as default.  This new bit is used for the checks in
azx_check_snoop_available().  Most of case-switches are replaced with
the new dcaps in each entry.

While working on it, for avoiding to spend more bits, combine three
bits AZX_DCAPS_SNOOP_SCH, AZX_DCAPS_SNOOP_ATI and
AZX_DCAPS_SNOOP_NVIDIA bits into a flat type of two bits.  This
reduces the bits usages, and assign AZX_DCAPS_OFF to this empty bit
now.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
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